package pers.rcl.plugin;

import java.io.IOException;
import java.util.Iterator;
import java.util.Map;

import javax.servlet.ServletInputStream;

import com.alibaba.fastjson.JSONObject;
import com.jfinal.core.Action;
import com.jfinal.core.Controller;
import com.jfinal.core.paragetter.ParaGetter;

import com.alibaba.fastjson.JSONObject;
import com.jfinal.core.paragetter.ParaGetter;

public class JSONObjectGetter extends ParaGetter<JSONObject> {
	 
    public JSONObjectGetter(String parameterName, String defaultValue) {
        super(parameterName, defaultValue);
    }
 
    @Override
    protected JSONObject to(String v) {
        //System.out.println("to(String v)...");
        return null;
    }
 
    @Override
    public JSONObject get(Action action, Controller c) {
        return getData(c);
    }
 
    private JSONObject getData(Controller c) {
        JSONObject jobj = new JSONObject();
        // ? 参数解析
        getRequestData(c, jobj);
        // post 参数解析
        postRequestData(c, jobj);
        return jobj;
    }
 
    private void postRequestData(Controller c, JSONObject jobj) {
        try (ServletInputStream is = c.getRequest().getInputStream()) {
            byte[] bytes = new byte[is.available()];
            is.read(bytes);
            String str = new String(bytes, "UTF-8");
            JSONObject postParams = JSONObject.parseObject(str);
            if (postParams != null) {
                for (Map.Entry<String, Object> e : postParams.entrySet()) {
                    jobj.put(e.getKey(), e.getValue());
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
 
    private void getRequestData(Controller c, JSONObject jobj) {
        Map<String, String[]> paraMap = c.getParaMap();
        Iterator<Map.Entry<String, String[]>> entries = paraMap.entrySet().iterator();
        Map.Entry entry;
        String name = "";
        String value = "";
        while (entries.hasNext()) {
            entry = entries.next();
            name = (String) entry.getKey();
            Object valueObj = entry.getValue();
            if (null == valueObj) {
                value = "";
            } else if (valueObj instanceof String[]) {
                String[] values = (String[]) valueObj;
                for (int i = 0; i < values.length; i++) {
                    value = values[i] + ",";
                }
                value = value.substring(0, value.length() - 1);
            } else {
                value = valueObj.toString();
            }
            jobj.put(name, value);
        }
    }
}
